// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "base/metrics/metrics_hashes.h"

#include <stddef.h>
#include <stdint.h>

#include "base/format_macros.h"
#include "base/macros.h"
#include "base/strings/stringprintf.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace base {

// Make sure our ID hashes are the same as what we see on the server side.
TEST(MetricsUtilTest, HashMetricName)
{
    static const struct {
        std::string input;
        std::string output;
    } cases[] = {
        { "Back", "0x0557fa923dcee4d0" },
        { "Forward", "0x67d2f6740a8eaebf" },
        { "NewTab", "0x290eb683f96572f1" },
    };

    for (size_t i = 0; i < arraysize(cases); ++i) {
        uint64_t hash = HashMetricName(cases[i].input);
        std::string hash_hex = base::StringPrintf("0x%016" PRIx64, hash);
        EXPECT_EQ(cases[i].output, hash_hex);
    }
}

} // namespace metrics
